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13149952 = 28311657
BaseRepresentation
bin110010001010…
…011100000000
3220202002100021
4302022130000
511331244302
61145503224
7216526024
oct62123400
926662307
1013149952
117471832
1244a1b14
13295554a
141a64384
15124b437
hexc8a700

13149952 has 36 divisors (see below), whose sum is σ = 27111616. Its totient is φ = 6359040.

The previous prime is 13149937. The next prime is 13149973. The reversal of 13149952 is 25994131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108 + ... + 8764.

Almost surely, 213149952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13149952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13555808).

13149952 is an abundant number, since it is smaller than the sum of its proper divisors (13961664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13149952 is an equidigital number, since it uses as much as digits as its factorization.

13149952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1690 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 13149952 is about 3626.2862545585. The cubic root of 13149952 is about 236.0340848979.

The spelling of 13149952 in words is "thirteen million, one hundred forty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 992 1657 1984 3314 3968 6628 7936 13256 26512 51367 53024 102734 106048 205468 212096 410936 424192 821872 1643744 3287488 6574976 13149952